Toon Mermaid [MRL-072] Ultra Rare Insect Set: 2009 Collectors Tin Card

Set: 2009 Collectors Tin Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 3800 Defense: 3000 "Majestic Dragon" + "Stardust Dragon" + 1 non-Tuner monster You can Tribute this card to negate the activation of an opponent's Spell Card

Once per turn: You can discard 1 "Toon" card or "Manga Ryu-Ran"

You can only use each effect of "Duoterion" once per turn

also your opponent's cards and effects cannot activate when a monster is Fusion Summoned this way

Toon Mermaid [MRL-072] Ultra Rare Insect Set: 2009 Collectors Tin CardSet: Magic Ruler Card type: Toon Monster Rarity: Ultra Rare Attack: 1400 Defense: 1500 This card cannot be summoned unless "Toon World" is on the field. This card cannot attack in the same turn that it is summoned. Pay 500 Life Points each time this monster attacks. When "Toon World" is destroyed, this card is also destroyed. If your opponent doesn''t control a Toon monster on the field, this card may inflict Direct Damage to your opponent''s Life